Home / 6,947.44-10,421.97-2,788.90

Finding the Fourth Proportional to 6,947.44, 10,421.97 and 2,788.90

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Solution

The fourth proportional to 6,947.44, 10,421.97 and 2,788.90 is: 4,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.44 : 10,421.97 = 2,788.90 : x
  2. Step 2: Convert to fraction form
    6,947.44/10,421.97 = 2,788.90/x
  3. Step 3: Cross multiply
    6,947.44x = 10,421.97 × 2,788.90
  4. Step 4: Simplify right side
    6,947.44x = 29,065,832.13
  5. Step 5: Solve for x
    x = 29,065,832.13/6,947.44
  6. Step 6: Final answer
    x = 4,183.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.